81335546

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 130999680

約数和(自身を除く): 49664134

約数列:

[1, 2, 29, 37, 58, 74, 151, 251, 302, 502, 1073, 2146, 4379, 5587, 7279, 8758, 9287, 11174, 14558, 18574, 37901, 75802, 162023, 269323, 324046, 538646, 1099129, 1402337, 2198258, 2804674, 40667773, 81335546]

約数ペア:

[(1, 81335546), (2, 40667773), (29, 2804674), (37, 2198258), (58, 1402337), (74, 1099129), (151, 538646), (251, 324046), (302, 269323), (502, 162023), (1073, 75802), (2146, 37901), (4379, 18574), (5587, 14558), (7279, 11174), (8758, 9287)]